"Food? Yes. Non-metal plates and bowls? Yes. But metal is the bad one."

Jesus. He's just met this boy for two seconds, and already it feels like he's teaching Nike again. He's trying to keep it simple, with that in mind. Meanwhile, he's trying to piece together why Ryu doesn't know how a microwave works. Maybe he's an extremely sheltered kid? Or whatever this worlds thing people have mentioned is the culprit. Either way...

"You can keep your fork with you while it cooks." He gives Ryu a smile. "That way it cooks the food and it won't explode."